package link.hwx.service.u9;

import java.util.List;
import java.util.Map;


public interface AssistanceContractService {

    List<Map<String, String>> selectColumnsHead();

    List<Map<String, String>> selectColumnsLine();

    Map<String, String> selectPoHeadById(String docNo);

    List<Map<String, String>> selectPoLineById(String docNo);

}
